Burner for inverted incandescent gas-lamps.



H. LYON.

BURNER FOR INVERTED INCANDESCENT GAS LAMPS.

APPLICATION FILED JULY 23. 1914.

1,142,594, Patented June 8, 1915 INVENTOR THE NORRIS PETERS CO., FHOTD-LITHCL, WASHINGTON, D. C.\

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HOWARD LYON, 0J5 GLOUCESTER CITY, NEW JERS EY, .ASSIGNOR T0 WELSBACH LIGHT COMPANY OF GLOUCESTER CITY, NEW JERSEY, A CORPORATION OF NEW JERSEY.

BURNER FOR INVERTED INoANDEsoEivr GAS-LAMPS.

Application filed July'23, 1914.

To aZZ whom it may concern Be it known that I, HOWARD LYON, a citizen of the United States, residing at Gloucester City, Camden county, New Jersey, have invented a new and useful Improvement in Burners for Inverted Incandescent Gas-Lamps, of which the following is a full, clear, and exact description, reference being had to the accompanying drawing, in which The figure is a sectional elevation of a lamp embodying my improved burner.

My invention has relation to burners for inverted incandescent lamps; and is designed to provide a novel and efiicient construction, especially adapted for use in lamps employed in indirect and semi-indirect lighting systems. Heretofore it has been common to lead the mixture of air and gas downwardly into the top of a manifold having several burner legs. This construction is objectionable in that the efliciency of the lamp is not good, and further, because, the mantles are too far down, and prevent the use of a shallow lighting globe of the indirect or semi-direct type. I

My invention provides a burner in which the supply channel for the air and gas mixture is horizontally arranged, as distinguished from a vertical arrangement, and from which the flow is directed into a manifold or common chamber in which a plurality of burner legs extenddownwardly to receive the usual-mantles. This construction enables the use of a substantially straight mixing tube of the proper length to get a well diffused mixture, combined with abrupt turns between said tube and the burners which are also an aid in obtaining the proper mixture. It also lifts the burners and mantles to a desirable level, so that a shallow indirect lighting globe may be used of a character to hide the entire fixture.

Where more than two burners are employed, it is necessary to employ some special arrangement to get an equal distribution of the mixture to the burners. This I accomplish by a peculiar construction of one of the walls of the uptake in the manifold, so that the gas is caused to shoot backwardly as it flows upwardly. This prevents the one burner located directly in front from absorbing more than its proper share of the mixture.

In the accompanying drawing the numeral Specification of Letters Patent.

Patented June 8, 1915.

Serial No. 852,618. 5 designates the fixture of the lamp having the supporting members 6, 7 and 8, the memher 6 being hollow to form a gas supply pipe; and the member 7 also having a gas passage therethrough to supply the pilot burner indicated at 9. i

10 is a shut-off cock in the member 6. The lower end of the member 6 is connected to amixing tube 11 which extends horizontally inward from the ring a. in a radial direction and has the manifold 12 at its inner end.

13 designates the air intake for the mix ing tube, and 14 is a liner placed within'said tube. This liner has the contracted passage 15 leading inwardly from the air intake chamber to the point 16, from which point said opening is of increasing cross sectional area. In the construction shown, the mixing tube enters the manifold 12 between'two of the burner legs 17 at a level below the top of the manifold, and is directed up centrally within the manifold by means of the uptake passage 18. This uptake passage has its forward wall, opposite the discharge end of the mixing tube, inclined backwardly as shown at 19. By reason of this backward inclination the gas is forced backwardly as it flows up into the manifold. This gives the equal distribution before referred to. This not only greatly increases the efliciency of the burner, but makes possible the use of a burner with good results or more burners.

It will be noted that the mixed gas and air enters the manifold in the horizontal direction, thence flows upwardly, thence laterally and thence downwardly to the burners. The passage through the manifold from the end of the mixing tube to the burners is of such shape as to ofier a minimum of resistance to the, at best, feeble flow of the mixed gas and air. I therefore obtain a relatively high velocity of the gas at the burner tips combined with a greater air entrainment. At the end of the Bunsenmixer tube, the direction of the flow ofthe mixed air and gas is changed to 90 degrees having four, five,

and there is a further change in the direction beyond this point to the burner tips of substantially 180'degrees. This gives a total variation of about 270 degrees. tively low change in'the direction of flow is due to the simple and efficient construction This relaof the burner and greatly improves its efficiency.

I claim:

1. An inverted incandescent gas lamp burner, comprising a manifold having a distributing chamber, downwardly directed burner passages leading from the bottom of said chamber, and a downwardly directed extension located between the burner passages, together with a gas and air supply connection opening into said extension, said extension having an interior wall for directing the gas and air toward the central portion of the distributing chamber, substantially as described.

2. An inverted incandescent gas lamp burner, comprising a manifold having a distributing chamber, and a plurality of downwardly directed burner passages leading from the bottom of said chamber, the manifold also having a central downward extension, and a horizontal gas and air mixing tube leading into said extension through one side thereof, the opposite inner wall of said extension being inclined upwardly and forwardly to direct the mixture of gas and air to the central portion of said distributing chamber, substantially as described.

3. A burner for inverted incandescent gas lamps, comprising an upwardly arched manifold shell having at least three depending burner tips and a central downward extension opening upwardly into the bottom of the manifold chamber centrally of the passages leading to the tips, said extension having means for connection with a gas and air supply pipe, substantially as described.

In testimony whereof, I have hereunto set my hand.

HOWARD LYON.

WVitnesses J. H. JoHNsoN, EDGAR LENTON.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. 0. 

